uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/coq-modules/deriving/default.nix

@@ -0,0 +1,29 @@
+{ lib, mkCoqDerivation, coq, version ? null
+, ssreflect
+}:
+with lib;
+
+mkCoqDerivation {
+  pname = "deriving";
+  owner = "arthuraa";
+
+  inherit version;
+  defaultVersion = with versions; switch coq.coq-version [
+    { case = range "8.11" "8.15"; out = "0.1.0"; }
+  ] null;
+
+  releaseRev = v: "v${v}";
+
+  release."0.1.0".sha256 = "sha256:11crnjm8hyis1qllkks3d7r07s1rfzwvyvpijya3s6iqfh8c7xwh";
+
+  propagatedBuildInputs = [ ssreflect ];
+
+  mlPlugin = true;
+
+  meta = {
+    description = "Generic instances of MathComp classes";
+    license = licenses.mit;
+    maintainers = [ maintainers.vbgl ];
+  };
+
+}